Let me say that i love this combo. But a turn two win it's impossible. With the best hand (starting for second: 3 islands,
laboratory maniac, 3
gemstone caverns, 2
fluctuator), the problem are the remaining cards without cycling: 1
gemstone caverns, 1
island, 2 fluctuation and
treasure cruise. 5 cards.
T1:
gemstone caverns,
island, fluctuation.
T2: you draw a cycling card and play
laboratory maniac, cycling that card until you find another non-cycling card (and if it's
treasure cruise you can't play it without mana)
So, even if you are very very lucky and find all non-cycling cards on the bottom of library, you can't win the game in turn two.
The same if you draw a hand with more cycling (1
island, 1
gemstone caverns, 1
laboratory maniac, 1 fluctuation and 3 cycling cards) you will find more non-cycling cards in deck: 3
gemstone caverns, 2
island, 3 fluctuation, 1
treasure cruise. 9 cards when you can have max 4 cycling options in hand (if you find
laboratory maniac through cycling the number should be the same or less). The 3 becomes 2, 2 becomes 1 and you've finished the cycling with another 6 non-cycling cards in deck. I think you need at least 6-7 turns to win, if your lucky.
I hope you can improve this strategy to actually win in turn two, i really like it. Good luck